[PATCHv3 1/5] cache: static list of repo-local env vars

[Giuseppe Bilotta <giuseppe.bilotta@gmail.com>]

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
---
 Makefile |    1 +
 cache.c  |   13 +++++++++++++
 cache.h  |    2 ++
 3 files changed, 16 insertions(+), 0 deletions(-)
 create mode 100644 cache.c

diff --git a/Makefile b/Makefile
index 36611f4..9e9a858 100644
--- a/Makefile
+++ b/Makefile
@@ -524,6 +524,7 @@ LIB_OBJS += bisect.o
 LIB_OBJS += blob.o
 LIB_OBJS += branch.o
 LIB_OBJS += bundle.o
+LIB_OBJS += cache.o
 LIB_OBJS += cache-tree.o
 LIB_OBJS += color.o
 LIB_OBJS += combine-diff.o
diff --git a/cache.c b/cache.c
new file mode 100644
index 0000000..961ea56
--- /dev/null
+++ b/cache.c
@@ -0,0 +1,13 @@
+#include "cache.h"
+
+const char *const local_repo_env[] = {
+	ALTERNATE_DB_ENVIRONMENT,
+	CONFIG_ENVIRONMENT,
+	DB_ENVIRONMENT,
+	GIT_DIR_ENVIRONMENT,
+	GIT_WORK_TREE_ENVIRONMENT,
+	GRAFT_ENVIRONMENT,
+	INDEX_ENVIRONMENT,
+	NO_REPLACE_OBJECTS_ENVIRONMENT,
+	NULL
+};
diff --git a/cache.h b/cache.h
index c863085..7648a61 100644
--- a/cache.h
+++ b/cache.h
@@ -388,6 +388,8 @@ static inline enum object_type object_type(unsigned int mode)
 #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"
 #define GIT_NOTES_DEFAULT_REF "refs/notes/commits"
 
+extern const char *const local_repo_env[];
+
 extern int is_bare_repository_cfg;
 extern int is_bare_repository(void);
 extern int is_inside_git_dir(void);
-- 
1.7.0.200.g5ba36.dirty